diff --git a/prod-opensearch-ingestors.yml b/prod-opensearch-ingestors.yml
index 6b61efd..e12c210 100644
--- a/prod-opensearch-ingestors.yml
+++ b/prod-opensearch-ingestors.yml
@@ -129,14 +129,12 @@ instance_groups:
 
 - <<: *opensearch-ingestor-config
   name: ingestor_opensearch_s3_18
-  instances: 0
 
 - <<: *opensearch-ingestor-config
   name: ingestor_opensearch_s3_19
 
 - <<: *opensearch-ingestor-config
   name: ingestor_opensearch_s3_20
-  instances: 0
 
 - <<: *opensearch-ingestor-config
   name: ingestor_opensearch_s3_21